Hi Tom and thanks for your comments. Right you are regarding "pre-cooling" the engines before closing the throttles. For practice no need to risk harming the engines so did several descents limiting the throttle to 20" (which held cabin pressure as well, a procedure I would use if a passenger felt ill and depressurizing the plane would exacerbate their condition), then for a "closed throttle" descent, cruised for a while at 25"/2000 to stabilize temps...then gradually reduced to 20" and let temps stabilize...then 18" and so on before closing the throttles.

Best regards,

Tom

Those number look very similar to Baron specs when running LOP so it looks like the Baron is slightly less efficient ROP even at NA altitudes.

Tom C.

My method is close to Tom B. After climb, cruise for about five minutes to let temps stabilize. The about two-three minutes at each step down:
-- then medium power (25MP 2300RPM)
-- then long range power (24MP 2000RPM)
-- then low power (20MP 2000RPM)
-- Finally almost idle (16MP 2000RPM) fast descent to get speed back up, I normally plan to descend about 2000ft at 1000FPM.

Then level, count to ten or so to and start the sim. Power to idle and nose over if high speed. If low speed descent, power to idle, nose up to shed speed (about 5 degrees), speed brakes out, flaps out, gear when below 150 (almost immediate) and then nose over.

Tim

Those number look very similar to Baron specs when running LOP so it looks like the Baron is slightly less efficient ROP even at NA altitudes.